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Miracle Software Systems
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Secure webapi by implementing authentication, authorization, encryption, and input validation.
Implement authentication using tokens or API keys
Use authorization to control access to different endpoints
Encrypt sensitive data using SSL/TLS
Validate input to prevent SQL injection and other attacks
Java is a programming language, JDK is Java Development Kit, JRE is Java Runtime Environment. StringBuilder is mutable, String is immutable.
Java is a popular programming language used for developing various applications.
JDK (Java Development Kit) is a software development kit used for developing Java applications.
JRE (Java Runtime Environment) is required to run Java applications on a computer.
StringBuilder is a mutabl...
I applied via Job Fair and was interviewed in Jan 2023. There were 2 interview rounds.
Group discussion on trending topics
Basic coding questions & you can write the program in your familiar programming language
Top trending discussions
I applied via Naukri.com and was interviewed in Dec 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed in May 2021. There was 1 interview round.
posted on 20 Jun 2021
I applied via Campus Placement and was interviewed in May 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed in Jan 2021. There were 3 interview rounds.
I applied via Recruitment Consultant and was interviewed in Oct 2020. There were 6 interview rounds.
I applied via Naukri.com and was interviewed before Mar 2020. There were 4 interview rounds.
Hashtable is synchronized while hashmap is not.
Hashtable is thread-safe while hashmap is not.
Hashtable does not allow null keys or values while hashmap allows one null key and multiple null values.
Hashtable is slower than hashmap due to synchronization.
Hashtable is a legacy class while hashmap is a newer implementation.
Hashmap is not thread-safe while Concurrent Hashmap is thread-safe.
Hashmap is not suitable for multi-threaded environments as it can lead to race conditions and data inconsistencies.
Concurrent Hashmap allows multiple threads to access and modify the map concurrently without any data inconsistencies.
Concurrent Hashmap uses a technique called lock striping to achieve thread-safety.
Concurrent Hashmap is slower than Hashma...
based on 3 interviews
Interview experience
based on 8 reviews
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